<template>
    <div>
      <!--面包屑导航区域-->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!--卡片区域-->
      <el-card>
        <!--输入框和添加商品按钮-->
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
              <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>
          </el-col>
        </el-row>
        <!--商品列表-->
        <el-table :data="goodslist" border stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column label="商品价格(元)" prop="goods_price" width="90px"></el-table-column>
          <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
          <el-table-column label="创建时间" prop="add_time" width="140px">
            <template slot-scope="scope">
              {{scope.row.add_time | dateFormat}}
            </template>
          </el-table-column>
          <el-table-column label="操作">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.goods_id)">编辑</el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeParams(scope.row.goods_id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!--分页-->
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 30]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
        </el-pagination>
      </el-card>
    </div>
</template>

<script>
    export default {
        data() {
            return {
              queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
              },
              //商品列表
              goodslist:[],
              //数据总条数
              total:0
            }
        },
        created() {
          this.getGoodsList()
        },
        methods: {
          //获取商品列表数据
          async getGoodsList(){
            const {data:res}=await this.$http.get('goods',{params:this.queryInfo})
            if (res.meta.status!==200) return this.$message.error('获取商品列表失败！')
            this.$message.success('获取商品列表成功！')
            this.goodslist=res.data.goods
            this.total=res.data.total
          },
          //分页size改变事件
          handleSizeChange(newSize){
            this.queryInfo.pagesize=newSize
            this.getGoodsList()
          },
          //分页page改变
          handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getGoodsList()
          },
          //删除操作
          async removeParams(id){
            const confirmResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
              confirmButtonText: '确定',
              cancelButtonText: '取消',
              type: 'warning'
            }).catch(err=>err)
            //用户取消了删除操作
            if (confirmResult !== 'confirm')
              return this.$message.info('用户取消了删除操作！')
            const {data:res}=await this.$http.delete(`goods/${id}`)
            if (res.meta.status!==200) return this.$message.error('修改商品失败！')
            this.$message.success('删除商品成功！')
            this.getGoodsList()
          },
          //添加商品跳转页面
          goAddpage(){
            this.$router.push('/goods/add')
          }
        }
    }
</script>

<style lang="less" scoped>

</style>
